For DH150-7, DH150, and DH140 excavators operating in construction, quarrying, and earthmoving applications, a reliable swing system is essential for maintaining smooth rotation, accurate positioning, and efficient machine productivity. Continuous excavation work places high demands on the swing reduction mechanism, requiring strong torque transmission and stable rotary control. RITO DH150-7 DH150 DH140 Excavator Swing Gearbox 2404-1066A Hydraulic Swing Reduction Drive Unit Planetary Reducer provides efficient hydraulic power reduction, dependable torque output, and smooth slewing performance for medium-size excavator operations.
Item NO.:
2404-1066AOrder(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK, PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time:
In StockDesigned for excavator repair and replacement supply, this planetary swing reducer assembly delivers consistent power transfer and reliable compatibility for Doosan DH series machines. It is an OEM-equivalent replacement solution for equipment distributors, maintenance workshops, and fleet operators who need durable hydraulic swing components to reduce downtime, restore machine stability, and maintain reliable operation under demanding jobsite conditions.

| Part Number | 2404‑1066A / 2404‑1066A |
|---|---|
| Part Name | DH150‑7 DH150 DH140 Excavator Swing Gearbox Hydraulic Swing Reduction Drive Unit Planetary Reducer |
| Compatible Brand | DOOSAN |
| Applicable Models | DH150‑7, DH150, DH140 Medium Construction Excavator |
| Application | Hydraulic drive system for excavator upper body slewing; widely applied in municipal engineering, highway construction, pipeline laying and bulk material stacking work |
| Material | High‑strength forged alloy steel + medium‑load wear‑resistant bronze friction parts |
| Product Color | Matte anti‑rust industrial metallic gray |
| Working Temperature | -22℃ ~ +58℃ |
| Key Function | Convert hydraulic pressure into stable slewing torque to drive upper carriage rotation for infrastructure and earthmoving projects |
| Condition | 100% New, Aftermarket / OEM Equivalent Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Provides smooth speed reduction and stable torque output for DH150 series excavator swing operations.

Transfers hydraulic motor power through the gearbox system to achieve controlled and precise upper structure rotation.

Manufactured with high-strength alloy materials to withstand vibration, impact loads, and long working cycles.

Matches 2404-1066A specifications for DH150-7, DH150, and DH140 excavator hydraulic swing drive systems.

FAQ
Q: What problems can occur when a DH150 swing gearbox is worn?
A: Slow swing response, reduced rotation force, abnormal noise, vibration, and unstable upper structure movement are common signs of internal gearbox wear.
Q: How does the 2404-1066A planetary reducer improve excavator operation?
A: It reduces hydraulic motor speed while increasing torque output, allowing smoother and more efficient swing movement.
Q: What should customers confirm before ordering a DH150 swing gearbox?
A: Buyers should verify the excavator model, original part number, gearbox structure, mounting specifications, and application requirements.
Q: Why choose a complete hydraulic swing reduction unit instead of individual parts?
A: A complete assembly simplifies installation, reduces maintenance time, and helps restore reliable swing performance more efficiently.
Q: What quality options are available?
A: We provide original, OEM and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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